Asus A8N-SLI User manual

Motherboard

A8N-SLI

iiii

ii

No part of this manual, including the products and software described in it, may be reproduced,

transmitted, transcribed, stored in a retrieval system, or translated into any language in any form

or by any means, except documentation kept by the purchaser for backup purposes, without the

express written permission of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modified or

altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the

serial number of the product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS

DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS

OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS

HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR

ERROR IN THIS MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR

INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND

SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY

OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL,

INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered

trademarks or copyrights of their respective companies, and are used only for identification or

explanation and to the owners’ benefit, without intent to infringe.

E2024E2024

E2024

First Edition V1First Edition V1

First Edition V1

March 2005March 2005

March 2005

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iii

Contents

Notices ................................................................................................. v

Safety information .............................................................................. vi

A8N-SLI specifications summary ....................................................... vii

Chapter 1:Chapter 1:

Chapter 1:

Hardware informationHardware information

Hardware information

1.1 Before you proceed .............................................................. 1-2

1.2 Motherboard overview .......................................................... 1-3

1.2.1 Placement direction ................................................ 1-3

1.2.2 Screw holes ............................................................ 1-3

1.2.3 Motherboard layout ................................................ 1-4

1.2.4 Layout contents ..................................................... 1-5

1.3 Central Processing Unit (CPU) .............................................. 1-7

1.3.1 Installing the CPU.................................................... 1-7

1.3.2 Installing the heatsink and fan ................................ 1-9

1.4 System memory ................................................................. 1-12

1.4.1 Overview ............................................................... 1-12

1.4.2 Memory configurations ......................................... 1-12

1.4.3 Installing a DIMM ................................................... 1-13

1.4.4 Removing a DIMM ................................................. 1-13

1.5 Expansion slots ................................................................... 1-14

1.5.1 Installing an expansion card .................................. 1-14

1.5.2 Configuring an expansion card.............................. 1-14

1.5.3 PCI slots ................................................................ 1-16

1.5.4 PCI Express x16 slot ............................................. 1-16

1.5.5 PCI Express x1 slot ............................................... 1-16

1.6 Jumper ............................................................................... 1-17

1.7 Connectors ......................................................................... 1-18

1.7.1 Rear panel connectors .......................................... 1-18

1.7.2 Internal connectors............................................... 1-20

iviv

iv

Contents

Chapter 2:Chapter 2:

Chapter 2:

BIOS setupBIOS setup

BIOS setup

2.1 Managing and updating your BIOS ........................................ 2-2

2.1.1 Creating a bootable floppy disk .............................. 2-2

2.1.2 AwardBIOS Flash Utility .......................................... 2-3

2.1.3 ASUS CrashFree BIOS 2 utility ................................ 2-7

2.2 BIOS Setup program ............................................................. 2-8

2.2.1 BIOS menu bar ........................................................ 2-9

2.2.2 Legend bar ............................................................. 2-9

2.3 Main Menu........................................................................... 2-11

2.3.1 System Time ......................................................... 2-11

2.3.2 System Date ......................................................... 2-11

2.3.3 Legacy Diskette A ................................................ 2-11

2.3.4 Installed Memory .................................................. 2-11

2.3.5 Primary and Secondary IDE Master/Slave ............. 2-12

2.3.6 First, Second, Third, and Fourth SATA Master ..... 2-14

2.3.7 Installed Memory .................................................. 2-15

2.4 Advanced Menu .................................................................. 2-16

2.4.1 CPU configuration ................................................. 2-17

2.4.2 Chipset configuration ........................................... 2-18

2.4.3 PCIPnP ................................................................... 2-20

2.4.4 Onboard device configuration ............................. 2-22

2.5 Power Menu ........................................................................ 2-26

2.5.1 APM configuration ................................................ 2-27

2.5.2 Hardware monitor ................................................. 2-29

2.6 Boot Menu .......................................................................... 2-30

2.6.1 Boot Device Priority .............................................. 2-31

2.6.2 Hard Disk Drives ................................................... 2-31

2.6.3 Boot settings configuration .................................. 2-32

2.6.4 Security ................................................................ 2-34

2.7 Exit menu ........................................................................... 2-35

vv

v

Notices

Federal Communications Commission StatementFederal Communications Commission Statement

Federal Communications Commission Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to

the following two conditions:

•

This device may not cause harmful interference, and

•

This device must accept any interference received including interference

that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a

Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and can radiate radio

frequency energy and, if not installed and used in accordance with

manufacturer’s instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined by

turning the equipment off and on, the user is encouraged to try to correct

the interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

•

Connect the equipment to an outlet on a circuit different from that to

which the receiver is connected.

•

Consult the dealer or an experienced radio/TV technician for help.

Canadian Department of Communications StatementCanadian Department of Communications Statement

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise

emissions from digital apparatus set out in the Radio Interference

Regulations of the Canadian Department of Communications.

This class B digital apparatus complies with CanadianThis class B digital apparatus complies with Canadian

This class B digital apparatus complies with Canadian

ICES-003.ICES-003.

ICES-003.

The use of shielded cables for connection of the monitor to the graphics

card is required to assure compliance with FCC regulations. Changes or

modifications to this unit not expressly approved by the party

responsible for compliance could void the user’s authority to operate

this equipment.

vivi

vi

Safety information

Electrical safetyElectrical safety

Electrical safety

•

To prevent electrical shock hazard, disconnect the power cable from

the electrical outlet before relocating the system.

•

When adding or removing devices to or from the system, ensure that

the power cables for the devices are unplugged before the signal cables

are connected. If possible, disconnect all power cables from the existing

system before you add a device.

•

Before connecting or removing signal cables from the motherboard,

ensure that all power cables are unplugged.

•

Seek professional assistance before using an adapter or extension cord.

These devices could interrupt the grounding circuit.

•

Make sure that your power supply is set to the correct voltage in your

area. If you are not sure about the voltage of the electrical outlet you

are using, contact your local power company.

•

If the power supply is broken, do not try to fix it by yourself. Contact a

qualified service technician or your retailer.

Operation safetyOperation safety

Operation safety

•

Before installing the motherboard and adding devices on it, carefully read

all the manuals that came with the package.

•

Before using the product, make sure all cables are correctly connected

and the power cables are not damaged. If you detect any damage,

contact your dealer immediately.

•

To avoid short circuits, keep paper clips, screws, and staples away from

connectors, slots, sockets and circuitry.

•

Avoid dust, humidity, and temperature extremes. Do not place the

product in any area where it may become wet.

•

Place the product on a stable surface.

•

If you encounter technical problems with the product, contact a qualified

service technician or your retailer.

viivii

vii

A8N-SLI specifications summary

CPUCPU

CPU

ChipsetChipset

Chipset

Front Side BusFront Side Bus

Front Side Bus

MemoryMemory

Memory

Expansion slotsExpansion slots

Expansion slots

StorageStorage

Storage

AudioAudio

Audio

LANLAN

LAN

IEEE 1394IEEE 1394

IEEE 1394

USBUSB

USB

BIOS featuresBIOS features

BIOS features

Special featuresSpecial features

Special features

Socket 939 for AMD Athlon™ 64FX/AMD Athlon™ 64

processor

Supports AMD 64 architecture that enables simultaneous

32-bit and 64-bit architecture

NVIDIA

®

nForce™4 SLI

1 GHz (K8) / 800 MHz

Dual-channel memory architecture

4 x 184-pin DIMM sockets support non-ECC

unbufferred 400 MHz DDR memory modules

Supports up to 2 GB system memory

2 x PCI Express™ x16 slot for discrete graphics cards*

2 x PCI Express™ x1 slots

3 x PCI slots

NVIDIA

®

nForce™4 SLI chipset supports:

- 4 x Ultra DMA 133/100/66/33 hard disk drives

- 4 x Serial ATA drives with RAID 0, RAID 1, and

RAID 0+1 configurations

Realtek

®

ALC850 8-channel CODEC

1 x Coaxial S/PDIF out port

1 x Optical S/PDIF out port

Marvell

®

88E81111 PCI Express™ Gigabit LAN controller

T1 1394a controller supports:

- 2 x IEEE 1394a ports

Supports up to 10 USB 2.0 ports

4 Mb Flash ROM, Phoenix-Award BIOS, LPC, Green, PnP,

DMI2.0, WfM2.0, SM BIOS 2.3, ACPI 2.0a

ASUS Q-Fan2

ASUS My Logo2™

ASUS EZ Flash

ASUS Crash Free BIOS 2

(continued on the next page)

This motherboard does not support the Scalable Link Interface™ (SLI)

mode for two identical SLI™-ready PCI Express x16 graphics cards.

Single card mode (default) supports:

- 1 x PCI Express™ x16 graphics card on either blue or black slot

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1 x PS/2 mouse port

1 x Parallel port

1 x IEEE 1394a port

1 x LAN (RJ-45) port

4 x USB 2.0 ports

1 x Coaxial S/PDIF Out port

1 x Optical S/PDIF Out port

1 x PS/2 keyboard port

8-Channel audio ports

1 x Floppy disk drive connector

2 x IDE connectors

4 x Serial ATA connectors

1 x CPU fan connector

2 x Chassis fan connectors

1 x Chipset fan connector

3 x USB connectors

1 x IEEE 1394a connector

1 x Serial port connector

1 x 24-pin ATX power connector

1 x 4-pin ATX 12V power connector

1 x Internal audio connector

1 x Optical drive audio

1x Front panel audio connector

1 x System panel connector

ATX power supply (with 24-pin and 4-pin 12 V plugs)

ATX 12 V 2.0 compliant

ATX form factor: 12 in x 9.6 in (30.5 cm x 24.4 cm)

A8N-SLI specifications summary

Rear panelRear panel

Rear panel

InternalInternal

Internal

connectorsconnectors

connectors

PowerPower

Power

requirementrequirement

requirement

Form factorForm factor

Form factor

*Specifications are subject to change without notice.

Hardware

information

This chapter lists the hardware setup

procedures that you have to perform

when installing system components.

It includes description of the jumpers

and connectors on the motherboard.

1-21-2

1-2

Chapter 1: Hardware informationChapter 1: Hardware information

Chapter 1: Hardware information

1.1 Before you proceed

Take note of the following precautions before you install motherboard

components or change any motherboard settings.

• Unplug the power cord from the wall socket before touching any

component.

• Use a grounded wrist strap or touch a safely grounded object or a

metal object, such as the power supply case, before handling

components to avoid damaging them due to static electricity

• Hold components by the edges to avoid touching the ICs on them.

• Whenever you uninstall any component, place it on a grounded

antistatic pad or in the bag that came with the component.

•

Before you install or remove any component, ensureBefore you install or remove any component, ensure

Before you install or remove any component, ensure

that the ATX power supply is switched off or thethat the ATX power supply is switched off or the

that the ATX power supply is switched off or the

power cord is detached from the power supply. power cord is detached from the power supply.

power cord is detached from the power supply. Failure

to do so may cause severe damage to the motherboard, peripherals,

and/or components.

Onboard LEDsOnboard LEDs

Onboard LEDs

The motherboard comes with a green standby power LED that lights

up to indicate that the system is ON, in sleep mode, or in soft-off

mode. This is a reminder that you should shut down the system and

unplug the power cable before removing or plugging in any

motherboard component.

The red warning LED lights up when you installed two graphics cards

but did not connect the ASUS EZ Plug™. The illustration below shows

the location of the onboard LEDs.

A8N-SLI

®

A8N-SLI Onboard LED

SB_PWR

ON

Standby

Power

OFF

Powered

Off

SLI_WARN_LED

When use 2 Graphics

but do not plug EZ-PLUG

ON OFF

When use 2 Graphics

but do plug EZ-PLUG

ASUS A8N-SLIASUS A8N-SLI

ASUS A8N-SLI

1-31-3

1-3

A8N-SLI

1.2 Motherboard overview

Before you install the motherboard, study the configuration of your chassis

to ensure that the motherboard fits into it. Refer to the chassis

documentation before installing the motherboard.

Make sure to unplug the power cord before installing or removing the

motherboard. Failure to do so can cause you physical injury and damage

motherboard components.

Do not overtighten the screws! Doing so can damage the motherboard.

1.2.11.2.1

1.2.1

Placement directionPlacement direction

Placement direction

When installing the motherboard, make sure that you place it into the

chassis in the correct orientation. The edge with external ports goes to the

rear part of the chassis as indicated in the image below.

1.2.21.2.2

1.2.2

Screw holesScrew holes

Screw holes

Place nine screws into the holes indicated by circles to secure the

motherboard to the chassis.

Place this side towardsPlace this side towards

Place this side towards

the rear of the chassisthe rear of the chassis

the rear of the chassis

1-41-4

1-4

Chapter 1: Hardware informationChapter 1: Hardware information

Chapter 1: Hardware information

1.2.31.2.3

1.2.3

Motherboard layoutMotherboard layout

Motherboard layout

Bottom:Mic In

Center:Line Out

Top:Line In

Below:

Center/Subwoofer

Center:

Side Speaker Out

Top:Rear Speaker Out

F_PANEL

A8N-SLI

®

CR2032 3V

Lithium Cell

CMOS Power

AUX

FP_AUDIO

CHASSIS

PRI_IDE

SEC_IDE

EATXPWR

COM1

24.5cm (9.6in)

30.5cm (12.0in)

CPU_FAN

Socket 939

DDR DIMM_B1 (64 bit,184-pin module)

DDR DIMM_A1 (64 bit,184-pin module)

DDR DIMM_A2 (64 bit,184-pin module)

DDR DIMM_B2 (64 bit,184-pin module)

CHA2_FAN

USB12

IE_1394_2

PWR_FAN

FLOPPY

Super

I/O

1394

Controller

4Mb

BIOS

PS/2KBMS

T: Mouse

B: Keyboard

PARALLEL PORT

SPDIF_O

SPDIF_O2

LAN1_USB34

CD

WARN_LED

EZ_PLUG

ALC850

PCIEX16_1

PCIEX1_1

PCIEX1_2

PCIEX16_2

PCI1

PCI2

PCI3

Marvell

88E1111

CLRTC

USB78 USB56 USB910

SATA1SATA2

SATA3SATA4

CHA1_FAN

ATX12V

1394

SLI_CON

nVidia

CK804

SLI

CHIP_FAN

SB_PWR

ASUS A8N-SLIASUS A8N-SLI

ASUS A8N-SLI

1-51-5

1-5

1.2.41.2.4

1.2.4

Layout contentsLayout contents

Layout contents

SlotsSlots

Slots

PagePage

Page

1. DDR DIMM slots 1-12

2. PCI slots 1-16

3. PCI Express x16 slot 1-16

4. PCI Express x1 slot 1-16

JumperJumper

Jumper

PagePage

Page

1. Clear RTC RAM (3-pin CLRTC) 1-17

Rear panel connectorsRear panel connectors

Rear panel connectors

PagePage

Page

1. PS/2 mouse port 1-18

2. Parallel port 1-18

3. LAN (RJ-45) port 1-18

4. Rear Speaker Out port 1-18

5. Side Spearker Out port 1-18

6. Line In port 1-18

7. Line Out port 1-18

8. Microphone port 1-19

9. Center/Subwoofer port 1-19

10. USB 2.0 ports 3 and 4 1-19

11. USB 2.0 ports 1 and 2 1-19

12. IEEE 1394a port 1-19

13. Optical S/PDIF Out port 1-19

14. Coaxial S/PDIF Out port 1-19

15. PS/2 keyboard port 1-19

1-61-6

1-6

Chapter 1: Hardware informationChapter 1: Hardware information

Chapter 1: Hardware information

Internal connectorsInternal connectors

Internal connectors

PagePage

Page

1. Floppy disk drive connector (34-1 pin FLOPPY1) 1-20

2. Serial port connector (10-1 pin COM1) 1-20

3. IDE connectors (40-1 pin PRI_IDE, SEC_IDE) 1-21

4. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4) 1-22

5. CPU fan connector (3-pin CPU_FAN) 1-23

6. Chassis fan connectors (3-pin CHA1_FAN, CHA2_FAN) 1-23

7. Chipset fan connector (3-pin CHIP_FAN) 1-23

8. Power fan connector (3-pin PWR_FAN) 1-23

9. USB connectors (10-1 pin USB78, USB56, USB910) 1-24

10. IEEE 1394a connector (10-1 pin IE_1394_2) 1-24

11. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V1, 4-pin EZ_PLUG) 1-25

12. Internal audio connectors (4-pin AUX, 4-pin CD) 1-26

13. Front panel audio connector (10-1 pin FP_AUDIO) 1-26

14. Chassis intrusion connector (4-1 pin CHASSIS) 1-27

15. System panel connector (10-1 pin FRONTPANEL) 1-28

ASUS A8N-SLIASUS A8N-SLI

ASUS A8N-SLI

1-71-7

1-7

1.3.11.3.1

1.3.1

Installing the CPUInstalling the CPU

Installing the CPU

To install a CPU:

1. Locate the CPU socket on the motherboard.

1.3 Central Processing Unit (CPU)

The motherboard comes with a surface mount 939-pin Zero Insertion Force

(ZIF) socket designed for the AMD Athlon™ 64FX or AMD Athlon™ 64

processor.

The 128-bit-wide data paths of these processors can run applications

faster than processors with only 32-bit or 64-bit wide data paths.

Gold triangleGold triangle

Gold triangle

Take note of the marked corner (with

gold triangle) on the CPU. This mark

should match a specific corner on the

socket to ensure correct installation.

A8N-SLI

®

A8N-SLI CPU Socket 939

1-81-8

1-8

Chapter 1: Hardware informationChapter 1: Hardware information

Chapter 1: Hardware information

3. Position the CPU above the

socket such that the CPU corner

with the gold triangle matches

the socket corner with a small

triangle.

4. Carefully insert the CPU into the

socket until it fits in place.

2. Unlock the socket by pressing

the lever sideways, then lift it up

to a 90°-100° angle.

Make sure that the socket lever is lifted up to 90°-100° angle; otherwise

the CPU does not fit in completely.

The CPU fits only in one correct orientation. DO NOT force the CPU into

the socket to prevent bending the pins and damaging the CPU!

5. When the CPU is in place, push

down the socket lever to secure

the CPU. The lever clicks on the

side tab to indicate that it is

locked.

GoldGold

Gold

triangletriangle

triangle

Small triangleSmall triangle

Small triangle

Socket leverSocket lever

Socket lever

ASUS A8N-SLIASUS A8N-SLI

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1-91-9

1-9

1.3.21.3.2

1.3.2

Installing the heatsink and fanInstalling the heatsink and fan

Installing the heatsink and fan

The AMD Athlon™ 64FX or AMD Athlon™ 64 processor requires a specially

designed heatsink and fan assembly to ensure optimum thermal condition

and performance.

To install the CPU heatsink and fan:

1. Place the heatsink on top of the installed CPU, making sure that the

heatsink fits properly on the retention module base.

Make sure that you use only qualified heatsink and fan assembly.

• The retention module base is already installed on the motherboard

upon purchase.

• You do not have to remove the retention module base when

installing the CPU or installing other motherboard components.

• If you purchased a separate CPU heatsink and fan assembly, make

sure that a Thermal Interface Material is properly applied to the CPU

heatsink or CPU before you install the heatsink and fan assembly.

Your boxed CPU heatsink and fan assembly should come with installation

instructions for the CPU, heatsink, and the retention mechanism. If the

instructions in this section do not match the CPU documentation, follow

the latter.

Retention module baseRetention module base

Retention module base

CPU heatsinkCPU heatsink

CPU heatsink

CPU fanCPU fan

CPU fan

Retention bracket lockRetention bracket lock

Retention bracket lock

Retention bracketRetention bracket

Retention bracket

1-101-10

1-10

Chapter 1: Hardware informationChapter 1: Hardware information

Chapter 1: Hardware information

2. Attach one end of the retention bracket to the retention module

base.

3. Align the other end of the retention bracket (near the retention

bracket lock) to the retention module base. A clicking sound denotes

that the retention bracket is in place.

4. Push down the retention bracket lock on the retention mechanism to

secure the heatsink and fan to the module base.

Make sure that the fan and

heatsink assembly perfectly

fits the retention mechanism

module base; otherwise, you

cannot snap the retention

bracket in place.

ASUS A8N-SLIASUS A8N-SLI

ASUS A8N-SLI

1-111-11

1-11

5. When the fan and heatsink assembly is in place, connect the CPU fan

cable to the connector on the motherboard labeled CPU_FAN.

Do not forget to connect the CPU fan connector! Hardware monitoring

errors can occur if you fail to plug this connector.

A8N-SLI

®

A8N-SLI CPU fan connector

CPU_FAN

GND

Rotation

+12V

1-121-12

1-12

Chapter 1: Hardware informationChapter 1: Hardware information

Chapter 1: Hardware information

1.4 System memory

1.4.11.4.1

1.4.1

OverviewOverview

Overview

The motherboard comes with four 184-pin Double Data Rate (DDR) Dual

Inline Memory Modules (DIMM) sockets.

The following figure illustrates the location of the sockets:

1.4.21.4.2

1.4.2

Memory configurationsMemory configurations

Memory configurations

You may install 256 MB, 512 MB and 1 GB unbuffered non-ECC DDR DIMMs

into the DIMM sockets using the memory configurations in this section.

A8N-SLI

®

A8N-SLI 184-pin DDR DIMM sockets

DIMM_A1

DIMM_A2

DIMM_B1

DIMM_B2

ChannelChannel

Channel

Sockets Sockets

Sockets

Channel A DIMM_A1 and DIMM_A2

Channel B DIMM_B1 and DIMM_B2

•

For dual-channel configuration, the total size of memory module(s)

installed per channel must be the same for better performance

(DIMM_A1+DIMM_A2=DIMM_B1+DIMM_B2).

•

When using one DDR DIMM module, install into DIMM_B1 slot only.

•

When using two DDR DIMM modules, install into DIMM_A1 and

DIMM_B1 slots only.

•

Always install DIMMs with the same CAS latency. For optimum

compatibility, we recommended that you obtain memory modules

from the same vendor system builder’s website for the latest

qualified vendors list (QVL).

• Due to chipset resource allocation, the system may detect less than

4 GB of system memory when you installed four 1 GB DDR memory

modules.

• Due to CPU limitation, this motherboard does not support DIMM

modules with 128 Mb memory chips or double-sided x16 memory

chips.

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Asus A8N-SLI User manual

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